%I #4 Jan 04 2018 21:58:30
%S 37,2651,68919,2699832,107787351,4021047904,154327332017,
%T 5920531350715,226188909640209,8657932603026022,331360189636829166,
%U 12678860316903190032,485194134262201742340,18567112995250259829761
%N Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
%C Column 7 of A297720.
%H R. H. Hardin, <a href="/A297719/b297719.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0..0..1..0..0. .1..1..0..0..0..0..0. .1..0..0..1..0..0..0
%e ..1..0..0..1..0..0..0. .0..1..0..0..0..1..1. .0..1..1..1..0..0..0
%e ..1..1..0..0..1..1..0. .0..0..1..0..0..1..0. .0..1..0..0..1..1..1
%Y Cf. A297720.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 04 2018
|